Trivia

SpongeBob SquarePants currently holds the record for longest running Nicktoon, which had previously been held by Rugrats. SpongeBob SquarePants surpassed Rugrats (in terms of number of episodes) when SpongeBob SquarePants aired its 172nd episode on April 10, 2012. However, Rugrats holds the record for the most TV series.

Rugrats Pre-School Daze holds the record for short-lived Nicktoon (18 days or 5 in the United Kingdom) and the least amount of episodes (4)

In December 1996, The Angry Beavers was originally gonna premiere but was pushed to April 19, 1997, causing Gift Hoarse to become an Arbor Day Christmas episode instead of just a Christmas episode. Only the first five individual episodes of The Angry Beavers (and their production codes and old premiere dates) were confirmed and announced before December 1996.

ChalkZone aired its first episode on December 31, 1999 and would've aired the remainder of the first season throughout 2000. But for unknown reasons, the show was delayed to March 2002.